एपीए उद्धरण

Thomas Lee Crowell. (1961). Modern English workbook: Exercises and drillsfor advanced students. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Thomas Lee Crowell. Modern English Workbook: Exercises and Drillsfor Advanced Students. New York: McGraw-Hill, 1961.

एमएलए उद्धरण

Thomas Lee Crowell. Modern English Workbook: Exercises and Drillsfor Advanced Students. New York: McGraw-Hill, 1961.